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Yes, HVAC inspections provide excellent value for most homeowners. The investment of $70 to $700 helps prevent much costlier emergency repairs that can run into thousands of dollars. Beyond financial considerations, regular inspections help maintain healthy indoor air quality, optimize energy efficiency, and extend your system's operational lifespan. The peace of mind knowing your system is operating safely and efficiently makes the inspection cost worthwhile for most households.

A standard HVAC inspection takes up to one hour for an average residential system. The technician will evaluate key components including the thermostat, electrical connections, motors, and refrigerant levels. 

For larger homes with multiple systems or units requiring special access, the process may take additional time. The inspection duration varies based on system complexity, age, and the specific components being evaluated.

During a comprehensive evaluation, an HVAC inspector examines numerous system components. They'll verify thermostat calibration and operation, inspect electrical connections, test motors and blowers, check condensate drainage systems, and evaluate air filters. 

For cooling systems, they'll assess refrigerant levels and test for leaks. Heating system inspections include examining burners, heat exchangers, and testing for carbon monoxide. The technician will also look for airflow issues, duct leakage, and overall system performance.

An HVAC inspection is strongly recommended when purchasing a home, even if a general home inspection has been completed. Standard home inspectors perform only basic HVAC checks, while specialized technicians provide more thorough evaluations. 

Investing in a dedicated HVAC inspection can reveal hidden issues that might otherwise lead to expensive surprises after purchase. This information also provides valuable leverage for negotiating repairs or price adjustments before finalizing the sale.